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Fix Python stack overflow checking in MODE=dbg

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Justine Tunney 2023-02-23 08:11:35 -08:00
parent 8b69acc1cc
commit 18a24935cc
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GPG key ID: BE714B4575D6E328
8 changed files with 10 additions and 545 deletions
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4
third_party/python/Python/ceval.c vendored
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@ -7,6 +7,7 @@
#define PY_LOCAL_AGGRESSIVE
#include "libc/errno.h"
#include "libc/intrin/likely.h"
#include "libc/runtime/stack.h"
#include "third_party/python/Include/abstract.h"
#include "third_party/python/Include/boolobject.h"
#include "third_party/python/Include/bytesobject.h"
@ -656,8 +657,7 @@ _Py_CheckRecursiveCall(const char *where)
PyThreadState *t;
const char *rsp, *bot;
rsp = __builtin_frame_address(0);
asm(".weak\tape_stack_vaddr\n\t"
"movabs\t$ape_stack_vaddr+32768,%0" : "=r"(bot));
bot = (const char *)GetStackAddr() + 32768;
if (rsp > bot) {
t = PyThreadState_GET();
_Py_CheckRecursionLimit = recursion_limit;